Rješavanje pitanja osnovnih znanja o pločici.

1. Introduction to noun interpretation
Printed circuit — on the surface of an insulating material, provides a conductive pattern of electrical connections between components, including shielding elements.
Štampano kolo – kolo napravljeno od štampanog kola, štampane komponente ili njihove kombinacije, prema unapred utvrđenom dizajnu na površini izolacionih materijala.
Printed circuit/circuit board — general term for insulating boards that have been finished with printed circuit or printed circuit. Mellors | | ai | | | PCB uzorci traka, 1, 1, ai, 1 podjela 1 vještina prvi P | 1 CB uzorak lista
PCB male gustoće – PCB za masovnu proizvodnju sa žicom većom od 0.3 mm (12/12mil) širine između dva diska na sjecištu standardne rešetke 2.54 mm.
Medium density PCB – A mass-produced printed board with two wires approximately 0.2 mm (8/8mil) in width between two disks at the intersection of the 2.54 mm standard grid.
High density Printed Board — A mass-produced printed board with three wires between two disks at the intersection of a 2.54 mm standard grid width of 0.1 to 0.15 mm (4-6/4-6mil).
2. What are the types of printed circuits according to the substrate and conductive pattern used? Mellors | | ai | | | P CB sample strips, 1, 1, ai, 1 division 1 skill the first P | 1 CB sample sheet
— According to the substrate used: rigid, flexible, rigid-flexible;
-Prema vodljivim grafikama: jednostruki, dvostruki, višeslojni.
3. Describe the function of printed circuit and the characteristics of printed circuit industry.
— First of all, it provides mechanical support for PCB copy board fixing and assembly of transistors, integrated circuits, resistors, capacitors, inductors and other components.
Drugo, ostvaruje ožičenje i električnu vezu između komponenti kao što su tranzistori, integrirana kola, otpornici, kondenzatori i prigušnice te električna izolacija kako bi zadovoljili svoje električne karakteristike.
Finally, the identification characters and graphics are provided for the inspection and maintenance of components in PCB electronic assembly process, and the blocking welding graphics are provided for wave soldering.
— High technology, high investment, high risk and high profit. Mellors | | ai | | | P CB sample strips, 1, 1, ai, 1 division 1 skill the first P | 1 CB sample sheet
4. Printed circuit manufacturing process classification is mainly divided into what two methods? What are the advantages of each?
– Addition method: avoid a large number of copper etching, reduce the cost. Simplified PCB copy board production process, improve production efficiency. Flush wires and flush surfaces can be achieved. The reliability of metallized hole is improved.
– Reduction method: mature, stable and reliable process. Mellors | | ai | | | P CB sample strips, 1, 1, ai, 1 division 1 skill the first P | 1 CB sample sheet
5. What are the types of addition processes used in printed circuit manufacturing? Write out the process separately?
– Total addition method: drilling, imaging, viscosifying treatment (negative phase), electroless copper plating, removal of resist.
– Metoda dodavanja dopola: bušenje, katalitička obrada i takifikacija, elektrolitsko bakarno oblaganje, slikanje (otpor galvaniziranja), grafičko galvaniziranje bakra (negativna faza), otpor uklanjanja, diferencijalno jetkanje.
-Metoda djelomičnog dodavanja: oslikavanje (protiv nagrizanja), jetkanje bakra (normalna faza), uklanjanje sloja otpora, otpor premaza za galvanizaciju cijele ploče, bušenje, elektro-bakarno oblaganje u rupi, uklanjanje otpora za galvanizaciju.
6. What are the types of printed circuit in the subtraction process? Write the process flow of whole plate plating and graphic plating. Mellors | | ai | | | P CB sample strips, 1, 1, ai, 1 division 1 skill the first P | 1 CB sample sheet
-Neperforirane PCB ploče, perforirane PCB ploče, perforirane PCB ploče i površinski montirane ploče.
– galvaniziranje cijele ploče (metoda maskiranja): pražnjenje, bušenje, metalizacija rupa, zadebljanje cijele ploče, galvanska obrada, površinska obrada, lijepljenje suhog filma za maskiranje svjetlom, izrada normalne grafike žice, jetkanje, uklanjanje filma, galvanizacija čepova, obrada oblika, pregled, štampanje premaza otpornih na zavarivanje, izravnavanje toplim vazduhom, mrežno štampanje simbola označavanja, gotovih proizvoda. Mellors | | ai | | | P CB trake za uzorke, 1, 1, ai, 1 podjela 1 vještina prva P | 1 list uzorka CB
–PCB graphic electroplating (bare copper coating resistance film) : Double-sided copper-clad boards blanking, punching positioning hole, CNC drilling, inspection, deburring, thin thin electroless copper, electroplating copper, inspection, brush plate, sticker (or screen printing), exposure imaging (or curing), inspection retouching, electroplating copper, graphics are electroplating tin lead alloy, go to the film (or remove) was printed, inspection retouching, etching, pewter back, open circuit test, clean, resistance welding graphics, plug nickel plating / gold, plug adhesive tape, hot air leveling, cleaning, network printing symbols, shape processing, cleaning and drying, inspection, packaging, finished products.
7. Tehnologija galvanizacije se može podijeliti na koju vrstu tehnologije?
– Konvencionalna tehnologija poroznog oblaganja, tehnologija direktnog oblaganja, tehnologija provodljivog ljepila. Mellors | | ai | | | P CB trake za uzorke, 1, 1, ai, 1 podjela 1 vještina prva P | 1 CB uzorak lista
8. What are the main features of flexible printed boards? What does its base material have?
– Fleksibilno i sklopivo za smanjenje volumena; Mala težina, dobra konzistencija ožičenja, visoka pouzdanost.
9. Describe the main features and uses of rigid – flexible PCB.
– Čvrsti i fleksibilni dijelovi su integrirani, eliminirajući potrebu za konektorima, pouzdano povezivanje, smanjenje težine, minijaturizaciju sklopa. Ploča za kopiranje PCB -a uglavnom se koristi u medicinskim elektronskim instrumentima, računarima i perifernim uređajima, komunikacionoj opremi, vazduhoplovnoj i nacionalnoj odbrambenoj i vojnoj opremi. Mellors | | ai | | | P CB trake za uzorke, 1, 1, ai, 1 podjela 1 vještina prva P | 1 CB uzorak lista
10. Describe the characteristics of conductive adhesive printed board.
– Simple processing technology, high production efficiency, low cost, less waste water.
11. Šta je više wiring PCB?
— Printed board made by layering metal wires directly on an insulating substrate.
12. What is metal – based printed board? What are its main features?
— General term for metal base printed board and metal core printed board. Mellors | | ai | | | P CB sample strips, 1, 1, ai, 1 division 1 skill the first P | 1 CB sample sheet
13. What is single-sided multilayer PCB? What are its main features?
Manufacture of multilayer circuit boards on a single PCB. PCB board characteristics: not only can restrain the internal electromagnetic wave to the outside radiation, but also can prevent the interference of external electromagnetic wave to it, does not need the hole metallization, low cost, light weight, can be thin.
14. Kratak uvod u definiciju i proizvodnju višeslojnih štampanih kola?
-Troslojna ožičena ploča visoke gustoće izrađena je naizmjeničnim izolacijskim slojem i vodljivim slojem na način slaganja sloja na unutarnji sloj dovršene višeslojne ploče, a slijepe rupe se slobodno koriste za provođenje između slojeva.